FPCN11 CWTO 251204 AAB UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 8:03 A.M. EDT SATURDAY 25 OCTOBER 2025 FOR TODAY AND SUNDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT. CITY OF TORONTO. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 11. UV INDEX 3 OR MODERATE. TONIGHT..CLEARING. LOW PLUS 2 WITH PATCHY FROST. SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 9. UV INDEX 3 OR MODERATE. BURLINGTON - OAKVILLE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 11. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH PATCHY FROST. SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 9. UV INDEX 3 OR MODERATE. HALTON HILLS - MILTON. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 11. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW ZERO. SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 9. UV INDEX 3 OR MODERATE. MISSISSAUGA - BRAMPTON. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 11. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW ZERO WITH FROST. SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 9. UV INDEX 3 OR MODERATE. CALEDON. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 9. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. LOW MINUS 1. SUNDAY..INCREASING CLOUDINESS. HIGH 8. UV INDEX 3 OR MODERATE. VAUGHAN - RICHMOND HILL - MARKHAM. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 10. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW ZERO. SUNDAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING. HIGH 9. UV INDEX 3 OR MODERATE. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. HIGH 10. UV INDEX 3 OR MODERATE. TONIGHT..A FEW CLOUDS. LOW MINUS 1. SUNDAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING. HIGH 9. UV INDEX 3 OR MODERATE. LINDSAY - SOUTHERN KAWARTHA LAKES. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 9. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5 OVERNIGHT. SUNDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND UP TO 15 KM/H. HIGH 9. WIND CHILL MINUS 5 IN THE MORNING. UV INDEX 2 OR LOW. REMAINDER UNCHANGED. END